java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-crafted/zero_sum_const5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-06 23:04:20,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-06 23:04:20,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-06 23:04:20,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-06 23:04:20,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-06 23:04:20,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-06 23:04:20,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-06 23:04:20,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-06 23:04:20,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-06 23:04:20,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-06 23:04:20,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-06 23:04:20,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-06 23:04:20,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-06 23:04:20,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-06 23:04:20,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-06 23:04:20,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-06 23:04:20,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-06 23:04:20,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-06 23:04:20,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-06 23:04:20,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-06 23:04:20,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-06 23:04:20,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-06 23:04:20,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-06 23:04:20,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-06 23:04:20,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-06 23:04:20,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-06 23:04:20,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-06 23:04:20,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-06 23:04:20,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-06 23:04:20,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-06 23:04:20,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-06 23:04:20,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-06 23:04:20,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-06 23:04:20,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-06 23:04:20,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-06 23:04:20,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-06 23:04:20,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-06 23:04:20,442 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-06 23:04:20,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-06 23:04:20,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-06 23:04:20,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-06 23:04:20,444 INFO L138 SettingsManager]: * Use SBE=true [2019-10-06 23:04:20,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-06 23:04:20,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-06 23:04:20,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-06 23:04:20,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-06 23:04:20,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-06 23:04:20,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-06 23:04:20,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-06 23:04:20,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-06 23:04:20,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-06 23:04:20,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-06 23:04:20,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-06 23:04:20,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-06 23:04:20,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-06 23:04:20,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-06 23:04:20,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-06 23:04:20,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-06 23:04:20,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-06 23:04:20,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-06 23:04:20,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-06 23:04:20,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-06 23:04:20,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-06 23:04:20,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-06 23:04:20,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-06 23:04:20,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-06 23:04:20,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-06 23:04:20,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-06 23:04:20,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-06 23:04:20,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-06 23:04:20,756 INFO L275 PluginConnector]: CDTParser initialized [2019-10-06 23:04:20,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum_const5.c [2019-10-06 23:04:20,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4d9e7bf/258e19695c59439f8f6bb1f6a41d9fe1/FLAG28bdfa60d [2019-10-06 23:04:21,284 INFO L306 CDTParser]: Found 1 translation units. [2019-10-06 23:04:21,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum_const5.c [2019-10-06 23:04:21,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4d9e7bf/258e19695c59439f8f6bb1f6a41d9fe1/FLAG28bdfa60d [2019-10-06 23:04:21,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4d9e7bf/258e19695c59439f8f6bb1f6a41d9fe1 [2019-10-06 23:04:21,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-06 23:04:21,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-06 23:04:21,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-06 23:04:21,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-06 23:04:21,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-06 23:04:21,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 11:04:21" (1/1) ... [2019-10-06 23:04:21,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fe3b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:21, skipping insertion in model container [2019-10-06 23:04:21,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 11:04:21" (1/1) ... [2019-10-06 23:04:21,707 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-06 23:04:21,732 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-06 23:04:21,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-06 23:04:21,926 INFO L188 MainTranslator]: Completed pre-run [2019-10-06 23:04:21,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-06 23:04:22,062 INFO L192 MainTranslator]: Completed translation [2019-10-06 23:04:22,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22 WrapperNode [2019-10-06 23:04:22,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-06 23:04:22,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-06 23:04:22,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-06 23:04:22,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-06 23:04:22,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (1/1) ... [2019-10-06 23:04:22,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (1/1) ... [2019-10-06 23:04:22,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (1/1) ... [2019-10-06 23:04:22,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (1/1) ... [2019-10-06 23:04:22,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (1/1) ... [2019-10-06 23:04:22,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (1/1) ... [2019-10-06 23:04:22,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (1/1) ... [2019-10-06 23:04:22,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-06 23:04:22,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-06 23:04:22,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-06 23:04:22,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-06 23:04:22,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-06 23:04:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-06 23:04:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-06 23:04:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-06 23:04:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-06 23:04:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-06 23:04:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-06 23:04:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-06 23:04:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-06 23:04:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-06 23:04:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-06 23:04:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-06 23:04:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-06 23:04:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-06 23:04:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-06 23:04:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-06 23:04:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-06 23:04:22,762 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-06 23:04:22,763 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-10-06 23:04:22,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 11:04:22 BoogieIcfgContainer [2019-10-06 23:04:22,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-06 23:04:22,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-06 23:04:22,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-06 23:04:22,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-06 23:04:22,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 11:04:21" (1/3) ... [2019-10-06 23:04:22,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df56534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 11:04:22, skipping insertion in model container [2019-10-06 23:04:22,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 11:04:22" (2/3) ... [2019-10-06 23:04:22,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df56534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 11:04:22, skipping insertion in model container [2019-10-06 23:04:22,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 11:04:22" (3/3) ... [2019-10-06 23:04:22,773 INFO L109 eAbstractionObserver]: Analyzing ICFG zero_sum_const5.c [2019-10-06 23:04:22,783 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-06 23:04:22,792 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-06 23:04:22,804 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-06 23:04:22,831 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-06 23:04:22,831 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-06 23:04:22,832 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-06 23:04:22,832 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-06 23:04:22,832 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-06 23:04:22,832 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-06 23:04:22,833 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-06 23:04:22,833 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-06 23:04:22,852 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-10-06 23:04:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-06 23:04:22,859 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:22,860 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:22,862 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:22,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:22,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1883974854, now seen corresponding path program 1 times [2019-10-06 23:04:22,878 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:22,879 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:22,879 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:22,879 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:22,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:04:23,141 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:23,142 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-06 23:04:23,142 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-06 23:04:23,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-06 23:04:23,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-06 23:04:23,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-06 23:04:23,164 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-10-06 23:04:23,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:04:23,289 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2019-10-06 23:04:23,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-06 23:04:23,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-10-06 23:04:23,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:04:23,302 INFO L225 Difference]: With dead ends: 53 [2019-10-06 23:04:23,302 INFO L226 Difference]: Without dead ends: 32 [2019-10-06 23:04:23,305 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-06 23:04:23,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-06 23:04:23,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-10-06 23:04:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-06 23:04:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 51 transitions. [2019-10-06 23:04:23,344 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 51 transitions. Word has length 21 [2019-10-06 23:04:23,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:04:23,344 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 51 transitions. [2019-10-06 23:04:23,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-06 23:04:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2019-10-06 23:04:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-06 23:04:23,346 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:23,346 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:23,346 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:23,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:23,347 INFO L82 PathProgramCache]: Analyzing trace with hash 75212444, now seen corresponding path program 1 times [2019-10-06 23:04:23,347 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:23,348 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:23,348 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:23,348 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:23,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-06 23:04:23,404 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:23,405 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-06 23:04:23,405 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-06 23:04:23,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-06 23:04:23,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-06 23:04:23,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-06 23:04:23,408 INFO L87 Difference]: Start difference. First operand 32 states and 51 transitions. Second operand 3 states. [2019-10-06 23:04:23,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:04:23,472 INFO L93 Difference]: Finished difference Result 58 states and 96 transitions. [2019-10-06 23:04:23,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-06 23:04:23,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-06 23:04:23,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:04:23,474 INFO L225 Difference]: With dead ends: 58 [2019-10-06 23:04:23,475 INFO L226 Difference]: Without dead ends: 33 [2019-10-06 23:04:23,476 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-06 23:04:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-06 23:04:23,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-06 23:04:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-06 23:04:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 52 transitions. [2019-10-06 23:04:23,488 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 52 transitions. Word has length 22 [2019-10-06 23:04:23,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:04:23,488 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 52 transitions. [2019-10-06 23:04:23,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-06 23:04:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2019-10-06 23:04:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-06 23:04:23,491 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:23,492 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:23,492 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:23,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:23,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1456530685, now seen corresponding path program 1 times [2019-10-06 23:04:23,493 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:23,493 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:23,493 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:23,494 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:23,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:23,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-06 23:04:23,562 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:23,562 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-06 23:04:23,563 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-06 23:04:23,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-06 23:04:23,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-06 23:04:23,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-06 23:04:23,564 INFO L87 Difference]: Start difference. First operand 33 states and 52 transitions. Second operand 4 states. [2019-10-06 23:04:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:04:23,688 INFO L93 Difference]: Finished difference Result 56 states and 92 transitions. [2019-10-06 23:04:23,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-06 23:04:23,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-10-06 23:04:23,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:04:23,690 INFO L225 Difference]: With dead ends: 56 [2019-10-06 23:04:23,690 INFO L226 Difference]: Without dead ends: 33 [2019-10-06 23:04:23,691 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-06 23:04:23,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-06 23:04:23,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-06 23:04:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-06 23:04:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2019-10-06 23:04:23,699 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 23 [2019-10-06 23:04:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:04:23,699 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-10-06 23:04:23,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-06 23:04:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2019-10-06 23:04:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-06 23:04:23,700 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:23,701 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:23,701 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:23,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:23,701 INFO L82 PathProgramCache]: Analyzing trace with hash 2063924474, now seen corresponding path program 1 times [2019-10-06 23:04:23,702 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:23,702 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:23,702 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:23,702 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:23,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-06 23:04:23,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:23,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:04:23,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:23,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-06 23:04:23,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:04:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-06 23:04:23,943 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:04:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-06 23:04:23,974 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:04:24,001 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:04:24,001 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:04:24,016 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:04:24,025 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:04:24,025 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:04:24,190 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:04:26,181 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:04:26,222 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:04:26,228 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:04:26,228 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:04:26,228 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,229 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,229 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:04:26,229 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,230 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,230 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,231 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,231 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,231 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,232 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:26,232 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,232 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,232 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,233 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,233 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,233 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,234 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:04:26,234 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:26,235 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,235 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,235 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,235 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:26,721 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:04:27,110 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2019-10-06 23:04:27,114 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:04:27,114 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 11] total 18 [2019-10-06 23:04:27,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-06 23:04:27,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-06 23:04:27,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2019-10-06 23:04:27,117 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 18 states. [2019-10-06 23:04:27,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:04:27,863 INFO L93 Difference]: Finished difference Result 59 states and 79 transitions. [2019-10-06 23:04:27,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-06 23:04:27,864 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 32 [2019-10-06 23:04:27,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:04:27,865 INFO L225 Difference]: With dead ends: 59 [2019-10-06 23:04:27,865 INFO L226 Difference]: Without dead ends: 34 [2019-10-06 23:04:27,866 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2019-10-06 23:04:27,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-06 23:04:27,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-10-06 23:04:27,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-06 23:04:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2019-10-06 23:04:27,879 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 32 [2019-10-06 23:04:27,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:04:27,880 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2019-10-06 23:04:27,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-06 23:04:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2019-10-06 23:04:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-06 23:04:27,882 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:27,882 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:28,087 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:28,088 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:28,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:28,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1527030623, now seen corresponding path program 2 times [2019-10-06 23:04:28,089 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:28,090 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:28,090 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:28,090 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:28,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-06 23:04:28,180 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:28,180 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:04:28,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:28,255 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-06 23:04:28,255 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:04:28,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-06 23:04:28,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:04:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-06 23:04:28,295 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:04:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-06 23:04:28,316 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:04:28,323 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:04:28,323 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:04:28,324 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:04:28,324 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:04:28,324 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:04:28,365 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:04:29,518 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:04:29,551 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:04:29,557 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:04:29,557 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:04:29,557 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,558 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,558 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:04:29,558 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,559 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,568 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,568 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,568 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,569 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,569 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:29,570 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,570 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,571 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,571 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,571 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,572 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,572 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:04:29,572 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:29,573 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,574 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,574 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:29,574 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:30,016 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:04:30,400 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:04:30,401 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 11] total 19 [2019-10-06 23:04:30,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-06 23:04:30,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-06 23:04:30,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-06 23:04:30,403 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand 19 states. [2019-10-06 23:04:31,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:04:31,437 INFO L93 Difference]: Finished difference Result 67 states and 95 transitions. [2019-10-06 23:04:31,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-06 23:04:31,440 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 33 [2019-10-06 23:04:31,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:04:31,441 INFO L225 Difference]: With dead ends: 67 [2019-10-06 23:04:31,441 INFO L226 Difference]: Without dead ends: 44 [2019-10-06 23:04:31,442 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 83 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=143, Invalid=727, Unknown=0, NotChecked=0, Total=870 [2019-10-06 23:04:31,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-06 23:04:31,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-10-06 23:04:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-06 23:04:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2019-10-06 23:04:31,456 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 33 [2019-10-06 23:04:31,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:04:31,456 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2019-10-06 23:04:31,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-06 23:04:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2019-10-06 23:04:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-06 23:04:31,458 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:31,458 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:31,661 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:31,661 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:31,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:31,662 INFO L82 PathProgramCache]: Analyzing trace with hash 981880454, now seen corresponding path program 3 times [2019-10-06 23:04:31,662 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:31,662 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:31,662 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:31,663 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:31,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:32,688 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:04:32,689 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:32,689 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:04:32,689 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:32,790 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-06 23:04:32,790 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:04:32,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 93 conjunts are in the unsatisfiable core [2019-10-06 23:04:32,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:04:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:04:33,211 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:04:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-06 23:04:33,492 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:04:33,496 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:04:33,496 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:04:33,497 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:04:33,497 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:04:33,497 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:04:33,529 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:04:34,874 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:04:34,911 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:04:34,916 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:04:34,916 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:04:34,917 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,917 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,917 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:04:34,917 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,918 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,918 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,918 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,919 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,919 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,919 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:34,919 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,920 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,920 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,920 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,921 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,921 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,921 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:04:34,922 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:34,922 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,922 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,923 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:34,923 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:35,542 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:04:35,994 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:04:35,994 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 10, 11] total 40 [2019-10-06 23:04:35,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-10-06 23:04:35,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-10-06 23:04:35,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1432, Unknown=0, NotChecked=0, Total=1560 [2019-10-06 23:04:35,997 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand 40 states. [2019-10-06 23:04:38,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:04:38,194 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2019-10-06 23:04:38,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-06 23:04:38,194 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 43 [2019-10-06 23:04:38,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:04:38,197 INFO L225 Difference]: With dead ends: 77 [2019-10-06 23:04:38,197 INFO L226 Difference]: Without dead ends: 72 [2019-10-06 23:04:38,199 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 94 SyntacticMatches, 33 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=246, Invalid=2724, Unknown=0, NotChecked=0, Total=2970 [2019-10-06 23:04:38,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-10-06 23:04:38,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-10-06 23:04:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-06 23:04:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2019-10-06 23:04:38,213 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 43 [2019-10-06 23:04:38,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:04:38,217 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2019-10-06 23:04:38,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-10-06 23:04:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2019-10-06 23:04:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-06 23:04:38,219 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:38,219 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:38,424 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:38,424 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:38,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:38,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1460027300, now seen corresponding path program 4 times [2019-10-06 23:04:38,425 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:38,425 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:38,425 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:38,425 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-06 23:04:38,491 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:38,491 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:04:38,491 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:38,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-06 23:04:38,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:04:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-06 23:04:38,664 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:04:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-06 23:04:38,694 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:04:38,696 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:04:38,696 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:04:38,697 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:04:38,697 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:04:38,697 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:04:38,740 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:04:39,711 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:04:39,739 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:04:39,743 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:04:39,743 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:04:39,743 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,744 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,744 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:04:39,744 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,744 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,745 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,745 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,745 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,745 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,745 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:39,746 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,746 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,746 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,746 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,746 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,747 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,747 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:04:39,747 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:39,747 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,748 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,748 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:39,748 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:40,196 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:04:40,557 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:04:40,558 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 11] total 25 [2019-10-06 23:04:40,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-06 23:04:40,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-06 23:04:40,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2019-10-06 23:04:40,560 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand 25 states. [2019-10-06 23:04:41,897 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:04:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:04:42,207 INFO L93 Difference]: Finished difference Result 148 states and 194 transitions. [2019-10-06 23:04:42,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-06 23:04:42,208 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 44 [2019-10-06 23:04:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:04:42,211 INFO L225 Difference]: With dead ends: 148 [2019-10-06 23:04:42,212 INFO L226 Difference]: Without dead ends: 85 [2019-10-06 23:04:42,213 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 112 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2019-10-06 23:04:42,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-06 23:04:42,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 78. [2019-10-06 23:04:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-06 23:04:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2019-10-06 23:04:42,227 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 44 [2019-10-06 23:04:42,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:04:42,228 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2019-10-06 23:04:42,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-06 23:04:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2019-10-06 23:04:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-06 23:04:42,229 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:42,229 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:42,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:42,434 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:42,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:42,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1604823922, now seen corresponding path program 5 times [2019-10-06 23:04:42,435 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:42,435 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:42,436 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:42,436 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:42,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-06 23:04:42,504 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:42,504 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:04:42,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:42,644 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-06 23:04:42,644 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:04:42,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-06 23:04:42,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:04:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-06 23:04:42,705 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:04:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-06 23:04:42,761 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:04:42,763 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:04:42,765 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:04:42,765 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:04:42,766 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:04:42,766 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:04:42,790 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:04:43,617 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:04:43,645 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:04:43,649 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:04:43,649 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:04:43,649 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,650 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,650 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:04:43,650 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,651 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,651 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,651 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,651 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,651 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,652 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:43,652 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,652 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,652 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,653 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,653 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,653 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,653 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:04:43,653 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:43,654 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,654 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,654 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:43,654 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:44,117 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:04:44,512 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:04:44,512 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 11] total 25 [2019-10-06 23:04:44,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-06 23:04:44,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-06 23:04:44,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2019-10-06 23:04:44,515 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand 25 states. [2019-10-06 23:04:45,924 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:04:45,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:04:45,990 INFO L93 Difference]: Finished difference Result 84 states and 102 transitions. [2019-10-06 23:04:45,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-06 23:04:45,991 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 45 [2019-10-06 23:04:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:04:45,992 INFO L225 Difference]: With dead ends: 84 [2019-10-06 23:04:45,992 INFO L226 Difference]: Without dead ends: 55 [2019-10-06 23:04:45,993 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 114 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=213, Invalid=1269, Unknown=0, NotChecked=0, Total=1482 [2019-10-06 23:04:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-06 23:04:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-06 23:04:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-06 23:04:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2019-10-06 23:04:46,003 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 45 [2019-10-06 23:04:46,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:04:46,003 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2019-10-06 23:04:46,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-06 23:04:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2019-10-06 23:04:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-06 23:04:46,005 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:04:46,005 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:04:46,209 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:46,210 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:04:46,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:04:46,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1820325702, now seen corresponding path program 6 times [2019-10-06 23:04:46,211 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:04:46,211 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:46,211 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:46,211 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:04:46,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:04:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:04:47,056 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2019-10-06 23:04:47,189 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2019-10-06 23:04:47,496 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-10-06 23:04:47,756 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2019-10-06 23:04:47,892 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2019-10-06 23:04:48,041 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2019-10-06 23:04:48,180 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-10-06 23:04:48,361 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2019-10-06 23:04:48,538 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-10-06 23:04:48,711 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2019-10-06 23:04:48,897 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2019-10-06 23:04:49,085 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2019-10-06 23:04:49,262 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-10-06 23:04:49,462 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2019-10-06 23:04:49,685 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2019-10-06 23:04:49,883 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2019-10-06 23:04:50,104 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-10-06 23:04:50,300 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2019-10-06 23:04:50,452 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-06 23:04:50,598 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2019-10-06 23:04:50,803 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-10-06 23:04:50,980 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-06 23:04:51,472 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2019-10-06 23:04:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:04:52,029 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:04:52,029 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:04:52,029 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:04:52,189 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-06 23:04:52,189 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:04:52,195 WARN L254 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 135 conjunts are in the unsatisfiable core [2019-10-06 23:04:52,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:04:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:04:53,012 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:04:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-06 23:04:53,466 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:04:53,467 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:04:53,468 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:04:53,468 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:04:53,468 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:04:53,468 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:04:53,508 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:04:54,854 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:04:54,888 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:04:54,891 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:04:54,891 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:04:54,892 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,892 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,892 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:04:54,892 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,893 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,893 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,893 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,893 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,893 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,894 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:54,894 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,894 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,894 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,894 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,894 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,895 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,895 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:04:54,895 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:04:54,895 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,895 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,896 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:54,896 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:04:55,842 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:04:56,418 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:04:56,419 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 16, 12, 11] total 74 [2019-10-06 23:04:56,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 74 states [2019-10-06 23:04:56,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2019-10-06 23:04:56,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=503, Invalid=4899, Unknown=0, NotChecked=0, Total=5402 [2019-10-06 23:04:56,423 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 74 states. [2019-10-06 23:04:57,401 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2019-10-06 23:04:57,659 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2019-10-06 23:04:58,245 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2019-10-06 23:04:58,474 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2019-10-06 23:04:58,673 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 49 [2019-10-06 23:04:59,213 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-10-06 23:04:59,404 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2019-10-06 23:05:00,003 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 47 [2019-10-06 23:05:00,562 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2019-10-06 23:05:03,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:05:03,566 INFO L93 Difference]: Finished difference Result 160 states and 198 transitions. [2019-10-06 23:05:03,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-06 23:05:03,566 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 54 [2019-10-06 23:05:03,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:05:03,569 INFO L225 Difference]: With dead ends: 160 [2019-10-06 23:05:03,569 INFO L226 Difference]: Without dead ends: 115 [2019-10-06 23:05:03,573 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 117 SyntacticMatches, 21 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4872 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=974, Invalid=9126, Unknown=0, NotChecked=0, Total=10100 [2019-10-06 23:05:03,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-06 23:05:03,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 85. [2019-10-06 23:05:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-06 23:05:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 99 transitions. [2019-10-06 23:05:03,589 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 99 transitions. Word has length 54 [2019-10-06 23:05:03,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:05:03,589 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 99 transitions. [2019-10-06 23:05:03,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 74 states. [2019-10-06 23:05:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2019-10-06 23:05:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-06 23:05:03,591 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:05:03,591 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:05:03,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:03,794 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:05:03,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:05:03,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1491111358, now seen corresponding path program 7 times [2019-10-06 23:05:03,794 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:05:03,795 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:03,795 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:03,795 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:03,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:05:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:05:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-06 23:05:03,878 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:03,878 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:05:03,878 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:05:04,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-06 23:05:04,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:05:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-06 23:05:04,123 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:05:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-06 23:05:04,182 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:05:04,183 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:05:04,184 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:05:04,184 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:05:04,186 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:05:04,186 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:05:04,204 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:05:05,002 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:05:05,029 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:05:05,032 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:05:05,032 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:05:05,032 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,033 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,033 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:05:05,033 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,033 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,033 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,033 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,033 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,033 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,034 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:05,034 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,034 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,034 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,035 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,035 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,035 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,036 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:05:05,036 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:05,036 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,037 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,037 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,037 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:05,522 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:05:05,902 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:05:05,903 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11, 11] total 28 [2019-10-06 23:05:05,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-06 23:05:05,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-06 23:05:05,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2019-10-06 23:05:05,905 INFO L87 Difference]: Start difference. First operand 85 states and 99 transitions. Second operand 28 states. [2019-10-06 23:05:07,535 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:05:07,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:05:07,863 INFO L93 Difference]: Finished difference Result 182 states and 223 transitions. [2019-10-06 23:05:07,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-06 23:05:07,864 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 55 [2019-10-06 23:05:07,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:05:07,865 INFO L225 Difference]: With dead ends: 182 [2019-10-06 23:05:07,865 INFO L226 Difference]: Without dead ends: 104 [2019-10-06 23:05:07,866 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 142 SyntacticMatches, 7 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=333, Invalid=2019, Unknown=0, NotChecked=0, Total=2352 [2019-10-06 23:05:07,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-06 23:05:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 97. [2019-10-06 23:05:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-06 23:05:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 115 transitions. [2019-10-06 23:05:07,885 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 115 transitions. Word has length 55 [2019-10-06 23:05:07,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:05:07,886 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 115 transitions. [2019-10-06 23:05:07,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-06 23:05:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2019-10-06 23:05:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-06 23:05:07,887 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:05:07,887 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:05:08,091 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:08,091 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:05:08,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:05:08,092 INFO L82 PathProgramCache]: Analyzing trace with hash 724785794, now seen corresponding path program 8 times [2019-10-06 23:05:08,092 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:05:08,093 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:08,093 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:08,093 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:05:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:05:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-10-06 23:05:08,184 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:08,184 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:05:08,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:08,402 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-06 23:05:08,402 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:05:08,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-06 23:05:08,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:05:08,460 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-10-06 23:05:08,460 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:05:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-10-06 23:05:08,514 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:05:08,515 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:05:08,515 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:05:08,515 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:05:08,516 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:05:08,516 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:05:08,534 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:05:09,315 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:05:09,338 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:05:09,341 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:05:09,341 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:05:09,341 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,341 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,341 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:05:09,341 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,341 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,342 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,342 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,342 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,342 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,342 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:09,342 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,343 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,343 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,343 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,343 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,343 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,343 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:05:09,344 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:09,344 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,344 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,344 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,344 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:09,799 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:05:10,168 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:05:10,169 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11, 11] total 28 [2019-10-06 23:05:10,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-06 23:05:10,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-06 23:05:10,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=646, Unknown=0, NotChecked=0, Total=756 [2019-10-06 23:05:10,171 INFO L87 Difference]: Start difference. First operand 97 states and 115 transitions. Second operand 28 states. [2019-10-06 23:05:11,971 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:05:12,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:05:12,042 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2019-10-06 23:05:12,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-06 23:05:12,043 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 56 [2019-10-06 23:05:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:05:12,044 INFO L225 Difference]: With dead ends: 103 [2019-10-06 23:05:12,044 INFO L226 Difference]: Without dead ends: 66 [2019-10-06 23:05:12,046 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 144 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=266, Invalid=1626, Unknown=0, NotChecked=0, Total=1892 [2019-10-06 23:05:12,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-06 23:05:12,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-06 23:05:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-06 23:05:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 76 transitions. [2019-10-06 23:05:12,059 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 76 transitions. Word has length 56 [2019-10-06 23:05:12,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:05:12,060 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 76 transitions. [2019-10-06 23:05:12,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-06 23:05:12,060 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2019-10-06 23:05:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-06 23:05:12,061 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:05:12,061 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:05:12,268 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:12,269 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:05:12,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:05:12,269 INFO L82 PathProgramCache]: Analyzing trace with hash 718778438, now seen corresponding path program 9 times [2019-10-06 23:05:12,269 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:05:12,269 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:12,270 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:12,270 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:12,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:05:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:05:13,333 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2019-10-06 23:05:13,484 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2019-10-06 23:05:13,764 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2019-10-06 23:05:13,939 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-10-06 23:05:14,135 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2019-10-06 23:05:14,335 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-10-06 23:05:14,470 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2019-10-06 23:05:14,627 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2019-10-06 23:05:14,788 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2019-10-06 23:05:14,957 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-10-06 23:05:15,114 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2019-10-06 23:05:15,428 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-10-06 23:05:15,625 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2019-10-06 23:05:15,812 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-10-06 23:05:15,972 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-10-06 23:05:16,110 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-10-06 23:05:16,325 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-10-06 23:05:16,583 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2019-10-06 23:05:16,766 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-10-06 23:05:17,036 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-10-06 23:05:17,243 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2019-10-06 23:05:17,445 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-10-06 23:05:17,619 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2019-10-06 23:05:17,959 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2019-10-06 23:05:18,127 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2019-10-06 23:05:18,406 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-10-06 23:05:18,620 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2019-10-06 23:05:18,823 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2019-10-06 23:05:19,005 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2019-10-06 23:05:19,212 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-10-06 23:05:19,459 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2019-10-06 23:05:20,050 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 1 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:05:20,051 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:20,051 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:05:20,051 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:20,290 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-06 23:05:20,290 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:05:20,293 WARN L254 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 177 conjunts are in the unsatisfiable core [2019-10-06 23:05:20,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:05:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:05:21,439 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:05:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-06 23:05:22,392 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:05:22,393 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:05:22,393 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:05:22,394 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:05:22,394 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:05:22,394 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:05:22,413 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:05:23,368 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:05:23,410 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:05:23,415 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:05:23,416 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:05:23,416 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,416 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,417 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:05:23,417 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,417 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,418 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,418 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,418 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,418 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,419 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:23,419 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,419 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,419 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,420 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,420 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,420 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,421 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:05:23,421 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:23,421 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,421 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,421 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:23,422 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:24,510 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 25 [2019-10-06 23:05:25,073 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2019-10-06 23:05:25,074 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:05:25,074 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 19, 14, 11] total 86 [2019-10-06 23:05:25,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 86 states [2019-10-06 23:05:25,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2019-10-06 23:05:25,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=6635, Unknown=0, NotChecked=0, Total=7310 [2019-10-06 23:05:25,078 INFO L87 Difference]: Start difference. First operand 66 states and 76 transitions. Second operand 86 states. [2019-10-06 23:05:26,310 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-10-06 23:05:26,596 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2019-10-06 23:05:27,063 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 50 [2019-10-06 23:05:27,430 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2019-10-06 23:05:27,676 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2019-10-06 23:05:27,912 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 57 [2019-10-06 23:05:28,314 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-06 23:05:28,580 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 59 [2019-10-06 23:05:28,846 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2019-10-06 23:05:29,231 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2019-10-06 23:05:29,488 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-10-06 23:05:29,909 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 59 [2019-10-06 23:05:30,133 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2019-10-06 23:05:33,510 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 47 [2019-10-06 23:05:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:05:34,309 INFO L93 Difference]: Finished difference Result 155 states and 189 transitions. [2019-10-06 23:05:34,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-06 23:05:34,310 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 65 [2019-10-06 23:05:34,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:05:34,311 INFO L225 Difference]: With dead ends: 155 [2019-10-06 23:05:34,311 INFO L226 Difference]: Without dead ends: 150 [2019-10-06 23:05:34,316 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 135 SyntacticMatches, 35 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8064 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=1320, Invalid=12486, Unknown=0, NotChecked=0, Total=13806 [2019-10-06 23:05:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-06 23:05:34,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 108. [2019-10-06 23:05:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-06 23:05:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 127 transitions. [2019-10-06 23:05:34,337 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 127 transitions. Word has length 65 [2019-10-06 23:05:34,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:05:34,337 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 127 transitions. [2019-10-06 23:05:34,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 86 states. [2019-10-06 23:05:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2019-10-06 23:05:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-06 23:05:34,338 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:05:34,339 INFO L385 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:05:34,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:34,541 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:05:34,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:05:34,542 INFO L82 PathProgramCache]: Analyzing trace with hash -880313828, now seen corresponding path program 10 times [2019-10-06 23:05:34,542 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:05:34,542 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:34,542 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:34,543 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:34,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:05:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:05:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-06 23:05:34,738 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:34,738 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:05:34,739 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:05:34,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-06 23:05:35,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:05:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-06 23:05:35,090 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:05:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-06 23:05:35,162 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:05:35,163 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:05:35,163 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:05:35,163 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:05:35,164 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:05:35,164 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:05:35,182 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:05:35,925 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:05:35,945 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:05:35,948 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:05:35,948 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:05:35,948 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,949 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,949 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:05:35,949 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,949 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,949 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,949 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= 0 (+ ~SIZE~0 2147483648)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,949 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,949 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,950 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:35,950 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,950 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,950 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,950 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,950 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,951 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (= |#NULL.offset| 0)) (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= 0 (+ ~SIZE~0 2147483648)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,951 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:05:35,951 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:35,951 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,951 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,952 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:35,952 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:36,842 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:05:36,842 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13, 11] total 31 [2019-10-06 23:05:36,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-06 23:05:36,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-06 23:05:36,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2019-10-06 23:05:36,845 INFO L87 Difference]: Start difference. First operand 108 states and 127 transitions. Second operand 31 states. [2019-10-06 23:05:38,703 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:05:39,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:05:39,032 INFO L93 Difference]: Finished difference Result 224 states and 270 transitions. [2019-10-06 23:05:39,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-06 23:05:39,033 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 66 [2019-10-06 23:05:39,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:05:39,034 INFO L225 Difference]: With dead ends: 224 [2019-10-06 23:05:39,034 INFO L226 Difference]: Without dead ends: 123 [2019-10-06 23:05:39,037 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 172 SyntacticMatches, 9 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=418, Invalid=2552, Unknown=0, NotChecked=0, Total=2970 [2019-10-06 23:05:39,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-06 23:05:39,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 116. [2019-10-06 23:05:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-06 23:05:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2019-10-06 23:05:39,057 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 66 [2019-10-06 23:05:39,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:05:39,058 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2019-10-06 23:05:39,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-06 23:05:39,058 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2019-10-06 23:05:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-06 23:05:39,058 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:05:39,059 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:05:39,259 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:39,260 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:05:39,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:05:39,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1754470990, now seen corresponding path program 11 times [2019-10-06 23:05:39,261 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:05:39,261 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:39,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:39,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:05:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:05:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-10-06 23:05:39,394 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:39,394 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:05:39,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:39,679 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-10-06 23:05:39,680 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:05:39,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-06 23:05:39,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:05:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-10-06 23:05:39,748 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:05:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-10-06 23:05:39,823 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:05:39,824 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:05:39,824 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:05:39,824 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:05:39,825 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:05:39,825 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:05:39,846 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:05:40,570 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:05:40,589 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:05:40,592 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:05:40,592 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:05:40,593 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,593 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,593 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:05:40,593 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,593 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,593 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,593 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,593 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,594 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:05:40,595 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:05:40,595 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,595 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,595 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:40,595 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:05:41,063 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:05:41,434 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:05:41,435 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13, 11] total 31 [2019-10-06 23:05:41,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-06 23:05:41,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-06 23:05:41,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=794, Unknown=0, NotChecked=0, Total=930 [2019-10-06 23:05:41,437 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 31 states. [2019-10-06 23:05:43,553 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:05:43,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:05:43,638 INFO L93 Difference]: Finished difference Result 122 states and 140 transitions. [2019-10-06 23:05:43,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-10-06 23:05:43,638 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 67 [2019-10-06 23:05:43,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:05:43,639 INFO L225 Difference]: With dead ends: 122 [2019-10-06 23:05:43,640 INFO L226 Difference]: Without dead ends: 77 [2019-10-06 23:05:43,642 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 174 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=328, Invalid=2024, Unknown=0, NotChecked=0, Total=2352 [2019-10-06 23:05:43,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-10-06 23:05:43,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-10-06 23:05:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-06 23:05:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2019-10-06 23:05:43,656 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 67 [2019-10-06 23:05:43,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:05:43,656 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2019-10-06 23:05:43,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-06 23:05:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2019-10-06 23:05:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-06 23:05:43,657 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:05:43,657 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:05:43,861 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:43,862 INFO L410 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:05:43,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:05:43,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1752525702, now seen corresponding path program 12 times [2019-10-06 23:05:43,862 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:05:43,863 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:43,863 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:43,863 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:05:43,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:05:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:05:44,856 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2019-10-06 23:05:45,000 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2019-10-06 23:05:45,172 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2019-10-06 23:05:45,342 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2019-10-06 23:05:45,516 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 47 [2019-10-06 23:05:45,755 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-10-06 23:05:45,975 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2019-10-06 23:05:46,176 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2019-10-06 23:05:46,398 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 56 [2019-10-06 23:05:46,673 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2019-10-06 23:05:46,897 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2019-10-06 23:05:47,199 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-10-06 23:05:47,468 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2019-10-06 23:05:47,662 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2019-10-06 23:05:47,939 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2019-10-06 23:05:48,218 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2019-10-06 23:05:48,544 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2019-10-06 23:05:48,802 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2019-10-06 23:05:49,076 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2019-10-06 23:05:49,283 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2019-10-06 23:05:49,590 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2019-10-06 23:05:49,939 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2019-10-06 23:05:50,213 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2019-10-06 23:05:50,550 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2019-10-06 23:05:50,805 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2019-10-06 23:05:51,167 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-10-06 23:05:51,444 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-10-06 23:05:51,783 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2019-10-06 23:05:52,090 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2019-10-06 23:05:52,401 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2019-10-06 23:05:52,826 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2019-10-06 23:05:53,161 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2019-10-06 23:05:53,444 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 52 [2019-10-06 23:05:53,749 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2019-10-06 23:05:53,998 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2019-10-06 23:05:54,386 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-10-06 23:05:54,710 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-10-06 23:05:55,018 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 52 [2019-10-06 23:05:55,386 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2019-10-06 23:05:55,719 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2019-10-06 23:05:56,107 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2019-10-06 23:05:56,594 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2019-10-06 23:05:56,850 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2019-10-06 23:05:57,123 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2019-10-06 23:05:57,338 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2019-10-06 23:05:57,527 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2019-10-06 23:05:57,724 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-10-06 23:05:57,899 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2019-10-06 23:05:58,053 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-10-06 23:05:58,220 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-10-06 23:05:58,368 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2019-10-06 23:05:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 3 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:05:58,735 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:05:58,735 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:05:58,735 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:05:59,046 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-06 23:05:59,046 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:05:59,050 WARN L254 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 219 conjunts are in the unsatisfiable core [2019-10-06 23:05:59,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:06:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:06:00,653 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:06:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-06 23:06:02,010 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:06:02,011 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:06:02,011 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:06:02,012 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:06:02,012 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:06:02,012 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:06:02,034 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:06:02,788 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:06:02,807 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:06:02,809 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:06:02,809 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:06:02,810 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,810 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,810 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:06:02,810 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,810 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,810 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,810 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,810 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,811 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,811 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:06:02,811 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,811 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,811 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,811 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,811 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,811 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,812 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:06:02,812 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:06:02,812 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,812 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,812 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:02,812 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:03,622 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:06:04,202 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:06:04,202 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 22, 16, 11] total 105 [2019-10-06 23:06:04,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 105 states [2019-10-06 23:06:04,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2019-10-06 23:06:04,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=923, Invalid=9997, Unknown=0, NotChecked=0, Total=10920 [2019-10-06 23:06:04,205 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 105 states. [2019-10-06 23:06:05,720 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-10-06 23:06:06,008 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2019-10-06 23:06:06,260 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2019-10-06 23:06:06,523 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2019-10-06 23:06:06,785 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2019-10-06 23:06:07,107 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 63 [2019-10-06 23:06:07,469 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2019-10-06 23:06:07,668 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-10-06 23:06:07,910 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 51 [2019-10-06 23:06:08,170 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2019-10-06 23:06:08,659 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2019-10-06 23:06:08,882 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2019-10-06 23:06:09,147 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 63 [2019-10-06 23:06:09,338 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 26 [2019-10-06 23:06:09,618 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 61 [2019-10-06 23:06:10,066 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-10-06 23:06:10,270 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 26 [2019-10-06 23:06:17,122 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2019-10-06 23:06:17,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:06:17,369 INFO L93 Difference]: Finished difference Result 260 states and 312 transitions. [2019-10-06 23:06:17,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2019-10-06 23:06:17,369 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 76 [2019-10-06 23:06:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:06:17,372 INFO L225 Difference]: With dead ends: 260 [2019-10-06 23:06:17,372 INFO L226 Difference]: Without dead ends: 204 [2019-10-06 23:06:17,374 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 149 SyntacticMatches, 46 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14115 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=2144, Invalid=18736, Unknown=0, NotChecked=0, Total=20880 [2019-10-06 23:06:17,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-10-06 23:06:17,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 172. [2019-10-06 23:06:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-10-06 23:06:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 198 transitions. [2019-10-06 23:06:17,407 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 198 transitions. Word has length 76 [2019-10-06 23:06:17,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:06:17,408 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 198 transitions. [2019-10-06 23:06:17,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 105 states. [2019-10-06 23:06:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 198 transitions. [2019-10-06 23:06:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-06 23:06:17,409 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:06:17,409 INFO L385 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:06:17,609 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:06:17,610 INFO L410 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:06:17,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:06:17,610 INFO L82 PathProgramCache]: Analyzing trace with hash 72260724, now seen corresponding path program 13 times [2019-10-06 23:06:17,611 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:06:17,611 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:06:17,611 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:06:17,611 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:06:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:06:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:06:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-10-06 23:06:17,735 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:06:17,735 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:06:17,735 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:06:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:06:18,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-06 23:06:18,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:06:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-10-06 23:06:18,228 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:06:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-10-06 23:06:18,324 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:06:18,327 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:06:18,327 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:06:18,327 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:06:18,327 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:06:18,328 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:06:18,348 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:06:19,078 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:06:19,104 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:06:19,107 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:06:19,108 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:06:19,108 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,108 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,108 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:06:19,108 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,109 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,109 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,109 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,109 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,109 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,110 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:06:19,110 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,110 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,110 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,111 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,111 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,111 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,112 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:06:19,112 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:06:19,112 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,112 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,112 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,112 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:19,624 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:06:20,021 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:06:20,022 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15, 11] total 34 [2019-10-06 23:06:20,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-10-06 23:06:20,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-10-06 23:06:20,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=951, Unknown=0, NotChecked=0, Total=1122 [2019-10-06 23:06:20,024 INFO L87 Difference]: Start difference. First operand 172 states and 198 transitions. Second operand 34 states. [2019-10-06 23:06:22,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:06:22,224 INFO L93 Difference]: Finished difference Result 260 states and 298 transitions. [2019-10-06 23:06:22,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-10-06 23:06:22,225 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 77 [2019-10-06 23:06:22,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:06:22,226 INFO L225 Difference]: With dead ends: 260 [2019-10-06 23:06:22,226 INFO L226 Difference]: Without dead ends: 88 [2019-10-06 23:06:22,228 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 202 SyntacticMatches, 11 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1125 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=473, Invalid=2719, Unknown=0, NotChecked=0, Total=3192 [2019-10-06 23:06:22,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-06 23:06:22,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-06 23:06:22,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-06 23:06:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-10-06 23:06:22,247 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 77 [2019-10-06 23:06:22,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:06:22,248 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-10-06 23:06:22,248 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-10-06 23:06:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-10-06 23:06:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-06 23:06:22,248 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:06:22,248 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:06:22,449 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:06:22,449 INFO L410 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:06:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:06:22,450 INFO L82 PathProgramCache]: Analyzing trace with hash -379629050, now seen corresponding path program 14 times [2019-10-06 23:06:22,450 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:06:22,450 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:06:22,450 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:06:22,450 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:06:22,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:06:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:06:23,617 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2019-10-06 23:06:23,741 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2019-10-06 23:06:23,885 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2019-10-06 23:06:24,050 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2019-10-06 23:06:24,222 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2019-10-06 23:06:24,498 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2019-10-06 23:06:24,756 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2019-10-06 23:06:25,027 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2019-10-06 23:06:25,277 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2019-10-06 23:06:25,501 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2019-10-06 23:06:25,761 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 64 [2019-10-06 23:06:26,070 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2019-10-06 23:06:26,390 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 52 [2019-10-06 23:06:26,704 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2019-10-06 23:06:26,972 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2019-10-06 23:06:27,280 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2019-10-06 23:06:27,578 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2019-10-06 23:06:27,837 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2019-10-06 23:06:28,148 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 59 [2019-10-06 23:06:28,438 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2019-10-06 23:06:28,696 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2019-10-06 23:06:29,021 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2019-10-06 23:06:29,326 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-10-06 23:06:29,581 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2019-10-06 23:06:29,888 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 63 [2019-10-06 23:06:30,233 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2019-10-06 23:06:30,572 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2019-10-06 23:06:30,889 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2019-10-06 23:06:31,214 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2019-10-06 23:06:31,538 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2019-10-06 23:06:31,783 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2019-10-06 23:06:32,130 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2019-10-06 23:06:32,532 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2019-10-06 23:06:32,905 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2019-10-06 23:06:33,222 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2019-10-06 23:06:33,611 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2019-10-06 23:06:33,904 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2019-10-06 23:06:34,315 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2019-10-06 23:06:34,724 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2019-10-06 23:06:35,124 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2019-10-06 23:06:35,756 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2019-10-06 23:06:36,189 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2019-10-06 23:06:36,677 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2019-10-06 23:06:37,040 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2019-10-06 23:06:37,399 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-10-06 23:06:37,824 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 62 [2019-10-06 23:06:38,283 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-10-06 23:06:38,592 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2019-10-06 23:06:38,903 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2019-10-06 23:06:39,293 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-10-06 23:06:39,636 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2019-10-06 23:06:40,011 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2019-10-06 23:06:40,282 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2019-10-06 23:06:40,560 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2019-10-06 23:06:40,817 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2019-10-06 23:06:41,067 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2019-10-06 23:06:41,292 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2019-10-06 23:06:41,502 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2019-10-06 23:06:41,692 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2019-10-06 23:06:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 3 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:06:42,542 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:06:42,542 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:06:42,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:06:42,960 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-10-06 23:06:42,960 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:06:42,966 WARN L254 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 268 conjunts are in the unsatisfiable core [2019-10-06 23:06:42,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:06:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 6 proven. 210 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-06 23:06:47,462 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:06:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-06 23:06:54,548 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:06:54,549 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:06:54,549 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:06:54,550 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:06:54,550 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:06:54,550 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:06:54,573 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:06:55,361 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:06:55,384 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:06:55,387 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:06:55,387 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:06:55,387 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,387 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,387 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:06:55,387 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,388 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,388 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,388 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,388 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,388 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,388 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:06:55,389 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,389 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,389 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,389 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,389 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,389 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,389 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:06:55,390 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:06:55,390 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,390 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,390 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:55,390 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:06:56,499 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:06:57,222 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:06:57,223 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 22, 19, 11] total 117 [2019-10-06 23:06:57,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 117 states [2019-10-06 23:06:57,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2019-10-06 23:06:57,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1344, Invalid=12228, Unknown=0, NotChecked=0, Total=13572 [2019-10-06 23:06:57,229 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 117 states. [2019-10-06 23:06:58,005 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 26 [2019-10-06 23:06:58,414 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 88 [2019-10-06 23:06:59,059 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-10-06 23:06:59,387 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-10-06 23:06:59,736 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-10-06 23:07:00,257 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 95 [2019-10-06 23:07:00,738 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2019-10-06 23:07:01,142 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2019-10-06 23:07:01,549 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 84 [2019-10-06 23:07:02,053 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 81 [2019-10-06 23:07:02,540 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2019-10-06 23:07:03,357 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 136 [2019-10-06 23:07:03,823 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2019-10-06 23:07:04,131 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-10-06 23:07:04,410 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2019-10-06 23:07:04,826 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 94 [2019-10-06 23:07:05,239 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2019-10-06 23:07:05,730 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 106 [2019-10-06 23:07:06,298 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2019-10-06 23:07:06,866 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 103 [2019-10-06 23:07:07,658 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 101 [2019-10-06 23:07:08,180 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 108 [2019-10-06 23:07:16,897 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 94 [2019-10-06 23:07:17,419 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-06 23:07:18,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:07:18,088 INFO L93 Difference]: Finished difference Result 167 states and 195 transitions. [2019-10-06 23:07:18,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-10-06 23:07:18,089 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 87 [2019-10-06 23:07:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:07:18,091 INFO L225 Difference]: With dead ends: 167 [2019-10-06 23:07:18,091 INFO L226 Difference]: Without dead ends: 162 [2019-10-06 23:07:18,093 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 164 SyntacticMatches, 63 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16965 ImplicationChecksByTransitivity, 41.7s TimeCoverageRelationStatistics Valid=2161, Invalid=19595, Unknown=0, NotChecked=0, Total=21756 [2019-10-06 23:07:18,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-10-06 23:07:18,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 146. [2019-10-06 23:07:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-06 23:07:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 165 transitions. [2019-10-06 23:07:18,142 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 165 transitions. Word has length 87 [2019-10-06 23:07:18,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:07:18,142 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 165 transitions. [2019-10-06 23:07:18,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 117 states. [2019-10-06 23:07:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 165 transitions. [2019-10-06 23:07:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-06 23:07:18,143 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:07:18,143 INFO L385 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:07:18,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:07:18,350 INFO L410 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:07:18,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:07:18,351 INFO L82 PathProgramCache]: Analyzing trace with hash -148581412, now seen corresponding path program 15 times [2019-10-06 23:07:18,351 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:07:18,351 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:07:18,351 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:07:18,352 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:07:18,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:07:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:07:18,498 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-10-06 23:07:18,498 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:07:18,498 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:07:18,498 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:07:18,904 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-06 23:07:18,904 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:07:18,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-06 23:07:18,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:07:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-10-06 23:07:19,057 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:07:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-10-06 23:07:19,142 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:07:19,143 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:07:19,143 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:07:19,143 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:07:19,143 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:07:19,144 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:07:19,164 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:07:19,900 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:07:19,925 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:07:19,929 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:07:19,929 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:07:19,929 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,929 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,930 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:07:19,930 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,930 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,930 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,930 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,931 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,931 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,931 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:07:19,931 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,931 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,932 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,932 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,932 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,932 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,932 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:07:19,933 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:07:19,933 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,933 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,933 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:19,933 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:20,623 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:07:21,055 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:07:21,055 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17, 11] total 37 [2019-10-06 23:07:21,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-10-06 23:07:21,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-10-06 23:07:21,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1126, Unknown=0, NotChecked=0, Total=1332 [2019-10-06 23:07:21,057 INFO L87 Difference]: Start difference. First operand 146 states and 165 transitions. Second operand 37 states. [2019-10-06 23:07:23,722 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:07:24,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:07:24,087 INFO L93 Difference]: Finished difference Result 300 states and 346 transitions. [2019-10-06 23:07:24,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-10-06 23:07:24,088 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 88 [2019-10-06 23:07:24,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:07:24,089 INFO L225 Difference]: With dead ends: 300 [2019-10-06 23:07:24,089 INFO L226 Difference]: Without dead ends: 161 [2019-10-06 23:07:24,089 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 232 SyntacticMatches, 13 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1575 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=627, Invalid=3795, Unknown=0, NotChecked=0, Total=4422 [2019-10-06 23:07:24,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-10-06 23:07:24,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 154. [2019-10-06 23:07:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-06 23:07:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 172 transitions. [2019-10-06 23:07:24,125 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 172 transitions. Word has length 88 [2019-10-06 23:07:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:07:24,126 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 172 transitions. [2019-10-06 23:07:24,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-10-06 23:07:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2019-10-06 23:07:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-06 23:07:24,126 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:07:24,127 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:07:24,327 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:07:24,328 INFO L410 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:07:24,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:07:24,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1318068238, now seen corresponding path program 16 times [2019-10-06 23:07:24,328 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:07:24,329 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:07:24,329 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:07:24,329 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:07:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:07:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:07:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-10-06 23:07:24,496 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:07:24,496 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:07:24,496 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:07:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:07:24,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-06 23:07:24,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:07:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-10-06 23:07:24,965 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:07:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-10-06 23:07:25,064 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:07:25,064 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:07:25,065 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:07:25,065 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:07:25,065 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:07:25,065 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:07:25,093 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-06 23:07:25,960 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:07:25,986 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:07:25,989 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:07:25,989 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:07:25,989 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,989 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,989 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:07:25,989 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,990 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,990 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,990 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,990 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,990 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,990 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:07:25,990 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,990 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,991 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,991 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,991 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,991 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,991 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:07:25,992 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:07:25,992 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,992 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,992 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:25,992 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:07:26,501 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:07:26,897 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:07:26,897 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17, 11] total 37 [2019-10-06 23:07:26,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-10-06 23:07:26,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-10-06 23:07:26,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1132, Unknown=0, NotChecked=0, Total=1332 [2019-10-06 23:07:26,899 INFO L87 Difference]: Start difference. First operand 154 states and 172 transitions. Second operand 37 states. [2019-10-06 23:07:29,729 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:07:29,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:07:29,808 INFO L93 Difference]: Finished difference Result 160 states and 178 transitions. [2019-10-06 23:07:29,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-06 23:07:29,808 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 89 [2019-10-06 23:07:29,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:07:29,809 INFO L225 Difference]: With dead ends: 160 [2019-10-06 23:07:29,809 INFO L226 Difference]: Without dead ends: 99 [2019-10-06 23:07:29,810 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 234 SyntacticMatches, 14 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1240 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=479, Invalid=2943, Unknown=0, NotChecked=0, Total=3422 [2019-10-06 23:07:29,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-06 23:07:29,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-10-06 23:07:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-06 23:07:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 109 transitions. [2019-10-06 23:07:29,837 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 109 transitions. Word has length 89 [2019-10-06 23:07:29,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:07:29,837 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 109 transitions. [2019-10-06 23:07:29,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-10-06 23:07:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 109 transitions. [2019-10-06 23:07:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-06 23:07:29,838 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:07:29,838 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:07:30,042 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:07:30,043 INFO L410 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:07:30,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:07:30,043 INFO L82 PathProgramCache]: Analyzing trace with hash -870014918, now seen corresponding path program 17 times [2019-10-06 23:07:30,043 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:07:30,044 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:07:30,044 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:07:30,044 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:07:30,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:07:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:07:31,257 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2019-10-06 23:07:31,438 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2019-10-06 23:07:31,603 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2019-10-06 23:07:31,750 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2019-10-06 23:07:31,944 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2019-10-06 23:07:32,128 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2019-10-06 23:07:32,315 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2019-10-06 23:07:32,590 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2019-10-06 23:07:32,866 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-10-06 23:07:33,160 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-10-06 23:07:33,452 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-10-06 23:07:33,708 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2019-10-06 23:07:33,994 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-10-06 23:07:34,293 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2019-10-06 23:07:34,594 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 62 [2019-10-06 23:07:34,895 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2019-10-06 23:07:35,197 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2019-10-06 23:07:35,566 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2019-10-06 23:07:35,868 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2019-10-06 23:07:36,148 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2019-10-06 23:07:36,484 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2019-10-06 23:07:36,843 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2019-10-06 23:07:37,234 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2019-10-06 23:07:37,650 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2019-10-06 23:07:38,065 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2019-10-06 23:07:38,409 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2019-10-06 23:07:38,739 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 59 [2019-10-06 23:07:39,122 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2019-10-06 23:07:39,476 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2019-10-06 23:07:39,910 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2019-10-06 23:07:40,271 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2019-10-06 23:07:40,688 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2019-10-06 23:07:41,150 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2019-10-06 23:07:41,556 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2019-10-06 23:07:42,108 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-10-06 23:07:42,569 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2019-10-06 23:07:42,944 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2019-10-06 23:07:43,426 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2019-10-06 23:07:43,886 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2019-10-06 23:07:44,319 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2019-10-06 23:07:44,736 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2019-10-06 23:07:45,171 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 68 [2019-10-06 23:07:45,556 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2019-10-06 23:07:45,927 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2019-10-06 23:07:46,298 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2019-10-06 23:07:46,687 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2019-10-06 23:07:47,038 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-10-06 23:07:47,414 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2019-10-06 23:07:47,832 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2019-10-06 23:07:48,221 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2019-10-06 23:07:48,604 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2019-10-06 23:07:48,981 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2019-10-06 23:07:49,359 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2019-10-06 23:07:49,714 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2019-10-06 23:07:50,047 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 60 [2019-10-06 23:07:50,524 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-10-06 23:07:50,930 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2019-10-06 23:07:51,330 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2019-10-06 23:07:51,760 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2019-10-06 23:07:52,214 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 62 [2019-10-06 23:07:52,680 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2019-10-06 23:07:53,092 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 58 [2019-10-06 23:07:53,492 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2019-10-06 23:07:53,851 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2019-10-06 23:07:54,230 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2019-10-06 23:07:54,562 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2019-10-06 23:07:54,882 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2019-10-06 23:07:55,194 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-10-06 23:07:55,488 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-10-06 23:07:55,704 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2019-10-06 23:07:55,965 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2019-10-06 23:07:56,215 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2019-10-06 23:07:56,657 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2019-10-06 23:07:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 4 proven. 304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:07:57,335 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:07:57,335 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:07:57,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:07:57,806 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-10-06 23:07:57,806 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:07:57,811 WARN L254 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 310 conjunts are in the unsatisfiable core [2019-10-06 23:07:57,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:08:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 7 proven. 280 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-06 23:08:02,781 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:08:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-06 23:08:12,366 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:08:12,366 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:08:12,367 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:08:12,367 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:08:12,367 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:08:12,367 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:08:12,384 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:08:13,117 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:08:13,152 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:08:13,156 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:08:13,156 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:08:13,157 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,157 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,157 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:08:13,157 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,158 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,158 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,158 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,158 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,159 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,159 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:08:13,159 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,159 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,160 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,160 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,160 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,160 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,161 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:08:13,161 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:08:13,161 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,161 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,162 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:13,162 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:14,341 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:08:15,119 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2019-10-06 23:08:15,120 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:08:15,121 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 24, 21, 11] total 134 [2019-10-06 23:08:15,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 134 states [2019-10-06 23:08:15,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2019-10-06 23:08:15,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1989, Invalid=15833, Unknown=0, NotChecked=0, Total=17822 [2019-10-06 23:08:15,123 INFO L87 Difference]: Start difference. First operand 99 states and 109 transitions. Second operand 134 states. [2019-10-06 23:08:16,117 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 26 [2019-10-06 23:08:16,623 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 95 [2019-10-06 23:08:17,765 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-10-06 23:08:18,216 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2019-10-06 23:08:18,657 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2019-10-06 23:08:19,362 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 102 [2019-10-06 23:08:19,907 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2019-10-06 23:08:20,378 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2019-10-06 23:08:20,857 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2019-10-06 23:08:21,359 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2019-10-06 23:08:21,906 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 100 [2019-10-06 23:08:22,475 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-10-06 23:08:23,385 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 149 [2019-10-06 23:08:23,911 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 112 [2019-10-06 23:08:24,272 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-10-06 23:08:25,041 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 103 [2019-10-06 23:08:25,521 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2019-10-06 23:08:26,002 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 101 [2019-10-06 23:08:26,622 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2019-10-06 23:08:27,399 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2019-10-06 23:08:28,000 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 113 [2019-10-06 23:08:28,771 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 108 [2019-10-06 23:08:29,359 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 115 [2019-10-06 23:08:39,070 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 102 [2019-10-06 23:08:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:08:40,412 INFO L93 Difference]: Finished difference Result 187 states and 215 transitions. [2019-10-06 23:08:40,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-06 23:08:40,412 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 98 [2019-10-06 23:08:40,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:08:40,414 INFO L225 Difference]: With dead ends: 187 [2019-10-06 23:08:40,415 INFO L226 Difference]: Without dead ends: 182 [2019-10-06 23:08:40,416 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 180 SyntacticMatches, 74 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23467 ImplicationChecksByTransitivity, 53.6s TimeCoverageRelationStatistics Valid=3062, Invalid=24994, Unknown=0, NotChecked=0, Total=28056 [2019-10-06 23:08:40,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-10-06 23:08:40,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165. [2019-10-06 23:08:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-10-06 23:08:40,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 184 transitions. [2019-10-06 23:08:40,467 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 184 transitions. Word has length 98 [2019-10-06 23:08:40,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:08:40,467 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 184 transitions. [2019-10-06 23:08:40,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 134 states. [2019-10-06 23:08:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 184 transitions. [2019-10-06 23:08:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-06 23:08:40,468 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:08:40,468 INFO L385 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:08:40,669 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:08:40,669 INFO L410 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:08:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:08:40,670 INFO L82 PathProgramCache]: Analyzing trace with hash -814794700, now seen corresponding path program 18 times [2019-10-06 23:08:40,670 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:08:40,670 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:08:40,670 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:08:40,671 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:08:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:08:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:08:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-10-06 23:08:40,897 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:08:40,897 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:08:40,897 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:08:41,358 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-06 23:08:41,358 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:08:41,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-06 23:08:41,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:08:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-10-06 23:08:41,511 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:08:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-10-06 23:08:41,628 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:08:41,628 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:08:41,628 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:08:41,629 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:08:41,629 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:08:41,629 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:08:41,651 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:08:42,405 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:08:42,429 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:08:42,431 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:08:42,431 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:08:42,431 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,431 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,432 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:08:42,432 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,432 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,432 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,432 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,432 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,432 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:08:42,433 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:08:42,434 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,434 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,434 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,434 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:42,991 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:08:43,424 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:08:43,425 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19, 11] total 40 [2019-10-06 23:08:43,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-10-06 23:08:43,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-10-06 23:08:43,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1315, Unknown=0, NotChecked=0, Total=1560 [2019-10-06 23:08:43,426 INFO L87 Difference]: Start difference. First operand 165 states and 184 transitions. Second operand 40 states. [2019-10-06 23:08:46,434 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:08:46,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:08:46,778 INFO L93 Difference]: Finished difference Result 338 states and 384 transitions. [2019-10-06 23:08:46,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-06 23:08:46,778 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 99 [2019-10-06 23:08:46,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:08:46,780 INFO L225 Difference]: With dead ends: 338 [2019-10-06 23:08:46,780 INFO L226 Difference]: Without dead ends: 180 [2019-10-06 23:08:46,781 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 262 SyntacticMatches, 15 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1913 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=751, Invalid=4505, Unknown=0, NotChecked=0, Total=5256 [2019-10-06 23:08:46,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2019-10-06 23:08:46,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 173. [2019-10-06 23:08:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-10-06 23:08:46,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 191 transitions. [2019-10-06 23:08:46,825 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 191 transitions. Word has length 99 [2019-10-06 23:08:46,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:08:46,825 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 191 transitions. [2019-10-06 23:08:46,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-10-06 23:08:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 191 transitions. [2019-10-06 23:08:46,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-06 23:08:46,827 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:08:46,827 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:08:47,031 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:08:47,032 INFO L410 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:08:47,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:08:47,033 INFO L82 PathProgramCache]: Analyzing trace with hash 229841410, now seen corresponding path program 19 times [2019-10-06 23:08:47,033 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:08:47,033 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:08:47,033 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:08:47,034 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:08:47,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:08:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:08:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-10-06 23:08:47,242 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:08:47,242 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:08:47,242 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:08:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:08:47,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-06 23:08:47,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:08:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-10-06 23:08:48,013 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:08:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-10-06 23:08:48,181 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-06 23:08:48,182 INFO L162 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-10-06 23:08:48,182 INFO L169 IcfgInterpreter]: Building call graph [2019-10-06 23:08:48,182 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-06 23:08:48,183 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-06 23:08:48,183 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-06 23:08:48,203 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-06 23:08:48,963 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2019-10-06 23:08:48,982 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-06 23:08:48,984 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-06 23:08:48,984 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-06 23:08:48,985 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 476#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,985 INFO L193 IcfgInterpreter]: Reachable states at location L25-3 satisfy 114#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,985 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 485#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-06 23:08:48,985 INFO L193 IcfgInterpreter]: Reachable states at location L70-4 satisfy 461#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (not (< main_~i~0 ~SIZE~0)) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~i~0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,985 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 481#(and (<= __VERIFIER_assert_~cond 0) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,985 INFO L193 IcfgInterpreter]: Reachable states at location L70-3 satisfy 456#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,985 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,985 INFO L193 IcfgInterpreter]: Reachable states at location L60-3 satisfy 380#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location L50-3 satisfy 304#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 471#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 100000 ~MAX~0)))) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location L40-3 satisfy 228#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location L30-3 satisfy 152#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 490#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location L20-3 satisfy 76#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= 0 main_~sum~0) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (<= main_~sum~0 0) (= main_~sum~0 0) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* 4 ~SIZE~0)) |#length|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= 0 main_~sum~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~sum~0 0) (= main_~sum~0 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0))) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,986 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-06 23:08:48,987 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 466#(and (or (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0)) (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-06 23:08:48,987 INFO L193 IcfgInterpreter]: Reachable states at location L65-3 satisfy 418#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,987 INFO L193 IcfgInterpreter]: Reachable states at location L55-3 satisfy 342#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,987 INFO L193 IcfgInterpreter]: Reachable states at location L45-3 satisfy 266#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:48,987 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 190#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-06 23:08:49,516 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-10-06 23:08:49,928 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2019-10-06 23:08:49,929 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-06 23:08:49,929 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19, 11] total 40 [2019-10-06 23:08:49,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-10-06 23:08:49,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-10-06 23:08:49,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1322, Unknown=0, NotChecked=0, Total=1560 [2019-10-06 23:08:49,931 INFO L87 Difference]: Start difference. First operand 173 states and 191 transitions. Second operand 40 states. [2019-10-06 23:08:53,024 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-10-06 23:08:53,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-06 23:08:53,109 INFO L93 Difference]: Finished difference Result 179 states and 197 transitions. [2019-10-06 23:08:53,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-06 23:08:53,113 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 100 [2019-10-06 23:08:53,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-06 23:08:53,114 INFO L225 Difference]: With dead ends: 179 [2019-10-06 23:08:53,114 INFO L226 Difference]: Without dead ends: 110 [2019-10-06 23:08:53,114 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 264 SyntacticMatches, 16 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1499 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=568, Invalid=3464, Unknown=0, NotChecked=0, Total=4032 [2019-10-06 23:08:53,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-10-06 23:08:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-10-06 23:08:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-06 23:08:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2019-10-06 23:08:53,145 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 100 [2019-10-06 23:08:53,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-06 23:08:53,145 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2019-10-06 23:08:53,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-10-06 23:08:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2019-10-06 23:08:53,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-06 23:08:53,146 INFO L377 BasicCegarLoop]: Found error trace [2019-10-06 23:08:53,146 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-06 23:08:53,351 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:08:53,351 INFO L410 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-06 23:08:53,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-06 23:08:53,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1942146106, now seen corresponding path program 20 times [2019-10-06 23:08:53,352 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-06 23:08:53,352 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:08:53,352 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:08:53,352 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-06 23:08:53,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-06 23:08:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-06 23:08:54,675 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2019-10-06 23:08:54,826 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2019-10-06 23:08:55,101 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2019-10-06 23:08:55,292 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2019-10-06 23:08:55,470 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2019-10-06 23:08:55,674 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 53 [2019-10-06 23:08:55,897 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 57 [2019-10-06 23:08:56,109 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 57 [2019-10-06 23:08:56,324 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2019-10-06 23:08:56,534 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 59 [2019-10-06 23:08:56,736 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-10-06 23:08:56,932 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2019-10-06 23:08:57,233 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2019-10-06 23:08:57,512 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2019-10-06 23:08:57,731 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2019-10-06 23:08:58,035 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2019-10-06 23:08:58,372 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2019-10-06 23:08:58,708 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2019-10-06 23:08:59,065 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2019-10-06 23:08:59,675 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2019-10-06 23:08:59,997 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2019-10-06 23:09:00,322 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2019-10-06 23:09:00,620 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2019-10-06 23:09:00,907 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2019-10-06 23:09:01,254 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2019-10-06 23:09:01,615 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2019-10-06 23:09:02,008 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2019-10-06 23:09:02,396 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 61 [2019-10-06 23:09:02,847 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 68 [2019-10-06 23:09:03,273 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2019-10-06 23:09:03,676 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2019-10-06 23:09:04,056 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2019-10-06 23:09:04,480 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2019-10-06 23:09:04,877 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2019-10-06 23:09:05,288 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2019-10-06 23:09:05,793 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2019-10-06 23:09:06,198 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2019-10-06 23:09:06,591 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2019-10-06 23:09:06,965 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2019-10-06 23:09:07,336 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2019-10-06 23:09:07,689 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-10-06 23:09:08,004 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2019-10-06 23:09:08,327 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 64 [2019-10-06 23:09:08,649 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2019-10-06 23:09:08,968 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2019-10-06 23:09:09,273 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-10-06 23:09:09,569 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-10-06 23:09:09,812 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2019-10-06 23:09:10,189 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2019-10-06 23:09:10,578 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2019-10-06 23:09:10,987 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2019-10-06 23:09:11,370 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 72 [2019-10-06 23:09:11,747 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2019-10-06 23:09:12,116 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2019-10-06 23:09:12,483 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2019-10-06 23:09:12,826 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 65 [2019-10-06 23:09:13,084 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2019-10-06 23:09:13,451 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2019-10-06 23:09:13,803 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2019-10-06 23:09:14,160 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2019-10-06 23:09:14,540 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2019-10-06 23:09:14,916 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2019-10-06 23:09:15,292 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2019-10-06 23:09:15,651 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 72 [2019-10-06 23:09:15,991 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-10-06 23:09:16,422 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2019-10-06 23:09:16,814 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 78 [2019-10-06 23:09:17,185 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2019-10-06 23:09:17,555 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2019-10-06 23:09:17,928 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2019-10-06 23:09:18,244 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2019-10-06 23:09:18,601 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-10-06 23:09:18,911 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-10-06 23:09:19,389 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-10-06 23:09:20,200 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2019-10-06 23:09:20,429 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-10-06 23:09:20,630 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2019-10-06 23:09:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 7 proven. 389 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-06 23:09:21,682 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-06 23:09:21,682 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-06 23:09:21,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-06 23:09:22,235 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-10-06 23:09:22,235 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-06 23:09:22,242 WARN L254 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 362 conjunts are in the unsatisfiable core [2019-10-06 23:09:22,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-06 23:09:36,421 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2019-10-06 23:10:11,738 WARN L191 SmtUtils]: Spent 29.88 s on a formula simplification. DAG size of input: 9624 DAG size of output: 36 [2019-10-06 23:10:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 4 proven. 386 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-06 23:10:12,362 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-06 23:10:30,885 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57